Sirius A and Sirius B constitute a binary star pair in which the stars orbit their common center of mass with a period of 49.9 years. The stars are 2.40 1012 m apart.
Assume that the two stars have equal masses and that they move in a circle about their common center of mass. What is the mass of each star? G = 6.67 x 10-11 Nm2/kg2. A) 5.41 1030 kg
B) 2.70 1030 kg
C) 7.55 1030 kg
D) 3.30 1030 kg
E) 1.65 1030 kg
Question 2
Two coherent light sources are characterized by
A) having the same amplitude.
B) having the same frequency.
C) having the same wavelength.
D) having the same velocity.
E) having the same frequency and maintaining a constant phase difference.
Common bandaging methods
The Pleiades, an open cluster of stars in the constellation of Taurus. These stars share a common mo
pair of homologous chromosomes
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Three conformations of DNA. B-DNA is most common, A-DNA is likely an artifact of crystallization in
The consequences of base-pair substitutions